duran fixture, German duran model, duran price

The duran fixture is a machine tool accessory manufactured based on the electromagnetic principle. It generates magnetic force by energizing internal coils; the magnetic flux passes through a magnetically conductive panel to firmly hold workpieces in contact with the panel surface. Demagnetization and workpiece removal are achieved by de-energizing the coils to eliminate the magnetic force. Main applications include workpiece clamping during the machining of ferrous workpieces on grinding machines, electromagnetic knife grinders, gantry milling machines, and gantry planers. Lifting threaded holes are provided on both sides of the rectangular electromagnetic chuck. For installation, insert T-head screws for lifting, and secure the chuck to the workbench using T-head blocks and screws. Connect the DC power supply and ground wire from the machine tool, then precision grind the upper surface of the chuck once to ensure parallelism between the upper and bottom surfaces. When holding a workpiece, sufficient positioning holding force is obtained by bridging two adjacent magnetic poles, allowing grinding operations to proceed. Magnetization and demagnetization of the workpiece can be controlled via the machine tool buttons.

duran fixture structure

1) Locating elements: These contact the locating datums of the workpiece to determine its correct position within the fixture, thereby ensuring the correct relative position of the workpiece with respect to the tool and the machine tool's machining movements. 2) Clamping device: Used to clamp the workpiece, keeping it in the established position within the fixture during cutting. As shown in Figure 6-1, this includes nut 5 and the open washer. 3) Tool-setting and guiding elements or devices: These elements ensure the correct position between the workpiece and the tool. Elements used to determine the correct position of the tool before machining are called tool-setting elements, such as tool-setting blocks. Elements used to determine the tool position and guide the tool during machining are called guiding elements. 4) Connecting elements: Elements that connect the fixture to the machine tool, ensuring the mutual positional relationship between the machine tool and the fixture. 5) Fixture body: The base component used to connect or fix all elements and devices on the fixture into a single unit. It connects and aligns with relevant parts of the machine tool, giving the fixture a definite position relative to the machine tool. 6) Other elements and devices: Depending on the machining requirements of the workpiece, some fixtures require indexing mechanisms, and milling machine fixtures may also require locating keys, etc. Not all of these components are indispensable for every type of machine tool fixture; however, any fixture must have locating elements and a clamping device. They are key to ensuring the machining accuracy of the workpiece, with the aim of accurately positioning and firmly clamping the workpiece.

duran fixture operation

1) Assemble the two engine bushings onto the 1 strut according to the "Strut Welding Assembly" drawing, and place them on the fixture body, position the 1 strut using stop pins and stop plates, clamp the 1 strut with a spiral clamp; simultaneously position the two 4 engine bushings with pins, and clamp them with quick-release spiral clamping devices; 2) After tack welding, release the quick-release spiral clamping devices, pull out the pins, remove for welding; 3) Place the welded assembly back on the fixture body, position the welded assembly using stop pins and stop plates, clamp the welded assembly with a spiral clamp; then place the assembly of the M6 nut and horn bracket onto the welded assembly, position it using the tapered head pin on the spiral clamping mechanism and the groove in the pressure plate of the spiral clamping mechanism, and clamp it with the spiral clamping mechanism; 4) Perform three-side welding on the assembly of the M6 nut and horn bracket and the strut, then release all spiral clamps, the pressure plate of the spiral clamping mechanism clamping the M6 nut and horn bracket assembly is lifted by the spring, the positioning tapered head pin on it disengages from the welded assembly, then push the pressure plate out so that one end disengages from the spiral clamping mechanism stud, rotate the pressure plate to the side of the welded assembly, then remove the welded assembly.

duran fixture maintenance

When using vacuum suction cups (without grippers), note that the manipulator's movement speed must not be too high; otherwise, shear forces will be generated on the suction cup, causing the product to easily drop during rapid twisting. In some cases, a gripper can be used to ensure safe transport of the product. Considering that the product may stick to the mold, an air gripper is usually installed to resolve this issue. If the product's surface area is too small or the product is too heavy for vacuum suction cups, the problem can also be resolved by using grippers. If the product has strict appearance requirements, the clamped area must not be an outer surface. To address this, a sensor circuit can be installed. After confirming that the gripper or suction cup has securely held the product, the sensor sends a signal to the manipulator to proceed with the next operation. In cases where the manipulator's motion capability is limited and manual twisting or prying is required to demold the product or move it out of the forming area, a special cylinder capable of independent movement without relying on the manipulator can be added to improve this situation.

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